The term clade most closely refers to:
a. a class.
b. the binomial system of classification.
c. a mechanism of horizontal gene transfer.
d. a subspecies of organisms does not include a subgenus.
e. a group of organisms that share common characteristics inherited from a common ancestor.
e
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During every energy transformation, it can be said that ____
a. the entropy of the universe increases b. the entropy of the universe decreases c. there is an increase in the free energy of the universe d. there is a change in the total energy of the universe e. the system becomes more organized
Most antihelminthic medications act only against the pathogens, not the human host.
Answer the following statement true (T) or false (F)
In muscle function at the sarcomere level, the formation of cross-bridges is regulated by the binding of ________ ions to ________.
A. calcium; tropomyosin B. sodium; troponin C. sodium; tropomyosin D. calcium; troponin E. calcium; myosin
What macromolecules were being studied in Exercise 19?
What will be an ideal response?